Winters in Tokai, Japan are mild and temperate, with temperatures ranging from just below freezing to the mid-teens Celsius. Spring brings rapid warming, with March often seeing highs near 20 degrees Celsius already. Summers are warm to hot, with July and August frequently reaching 35-36 degrees Celsius. Autumn is similarly mild, with September experiencing a slight cooling trend before dropping into cooler temperatures in November. The year's temperature extremes are relatively narrow, with the coldest month (February) averaging just 1 degree warmer than the coolest winter months, while the hottest summer months are only slightly hotter than the warmest spring and autumn months.